Nassau County, NY Population Statistics: Density Map Data
Analyze local population trends, population density map, housing costs, and the local economy.
Area Snapshot Statistics
Key statistics on population, economy, housing, and commuting compared to state and national averages. Explore interactive maps for deeper analysis.
Population: density and quick facts
| Metric | Nassau County | New York Avg | U.S. Average |
|---|---|---|---|
| Population | 1,358,605 | 19,009,591 | 334,821,731 |
| Population density (per sq mi) | 2997.9 | 348.5 | 85.8 |
| Population growth (%/yr) | 0.32% | 0.06% | 0.57% |
| Median age | 42.9 | 38.5 | 37.1 |
| Households | 456,035 | 7,641,851 | 128,459,983 |
Population in Nassau County grew by 2.3% from 2009 to 2023, reaching 1,388,138 in 2023.
Population Growth 2009–2023
Race & Ethnicity
Economy
Nassau County has a the economy index of A, which means it is very prosperous.
| Metric | Nassau County | New York Avg | U.S. Average |
|---|---|---|---|
| Median household income | $143,874 | $85,191 | $78,145 |
| Income growth (%/yr) | 4.98% | 4.93% | 5.07% |
| Unemployment rate | 4.8% | 6.2% | 5.2% |
The median household income in Nassau County is about 69% higher than in New York.
Housing
| Metric | Nassau County | New York Avg | U.S. Average |
|---|---|---|---|
| Median home price | $649,252 | $436,407 | $242,182 |
| Median rent | $2,194 | $1,576 | $1,342 |
| Homeownership rate | 81.9% | 54.2% | 65.1% |
The median home price in Nassau County is about 24.7 years' worth of rent — buying at the median price costs roughly as much as paying the median rent of $2,194 per month for that long.
Commute Time & Mobility
Commuters in Nassau County spend about 62 minutes on the road round trip each working day. Over a typical 250-day work year, that adds up to roughly 259 hours, about 10.8 full days, spent commuting.
| Metric | Nassau County | New York Avg | U.S. Average |
|---|---|---|---|
| One-way commute (min) | 31.0 | 29.0 | 22.5 |
| Round-trip commute (min) | 62.1 | 57.9 | 44.9 |
| Yearly time spent (hours) | 259 | 241 | 187 |
| Estimated yearly cost | $8,015 | $7,480 | $5,803 |
| Work from home | 13.8% | 13.4% | 13.4% |
| Highway traffic (vehicles/day) | 19,697 | 9,257 | 8,813 |
| Local road traffic (vehicles/day) | 3,316 | 1,586 | 1,355 |
Fastest commutes among counties in
New York:
Chautauqua County (15.3 min), Hamilton County (15.8 min), Clinton County (16.4 min).
Slowest:
Bronx County (45.1 min), Kings County (42.1 min), Queens County (42.1 min).
The average commute time in Nassau County is 31 minutes, longer than the 29 minutes in New York.
Estimated yearly cost applies a single national wage rule of thumb (U.S. Bureau of Labor Statistics average hourly earnings), not a measurement of wages in this area. Traffic volume figures come from proprietary Ticon and TrafficZoom data.
Education & Households
Nassau County has a education index of A+, which means it is exceptionally educated.
| Metric | Nassau County | New York Avg | U.S. Average |
|---|---|---|---|
| Bachelor's degree or higher | 45.7% | 36.5% | 31.6% |
| Average household size | 3.00 | 2.51 | 2.54 |
Highest education index among counties in
New York:
New York County (0.5), Tompkins County (0.4), Westchester County (0.4).
Lowest:
Bronx County (0.2), Orleans County (0.2), Hamilton County (0.2).
Health
Nassau County has a health index of A+, which means it is exceptionally healthy.
| Metric | Nassau County | New York Avg | U.S. Average |
|---|---|---|---|
| Life expectancy (years) | 82.4 | 80.3 | 78.3 |
| Self-rated poor health | 9.9% | 13.2% | 16.3% |
| Smokers | 11.1% | 17.4% | 19.0% |
Highest health index among counties in
New York:
Tompkins County (0.8), Nassau County (0.8), New York County (0.8).
Lowest:
Bronx County (0.8), Montgomery County (0.8), Cattaraugus County (0.8).
Frequently Asked Questions
Common questions about Nassau County, New York.
What is the population of Nassau County, New York?
The population of Nassau County, New York is 1,358,605, compared to the U.S. total of 334,821,731.
What is the population density of Nassau County, New York?
The population density of Nassau County, New York is 2997.9 people per square mile, compared to the U.S. average of 85.8 people per square mile.
What is the median household income in Nassau County, New York?
The median household income in Nassau County, New York is $143,874, compared to the U.S. median of $78,145.
What is the median home price in Nassau County, New York?
The median home price in Nassau County, New York is $649,252, compared to the U.S. median of $242,182.
What is the unemployment rate in Nassau County, New York?
The unemployment rate in Nassau County, New York is 4.8%, compared to the U.S. average of 5.2%.